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KD 625-2 Workshop Manual_cod. ED0053029380_1° ed_ rev. 00
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Chapter index
Rocker arm assembly ....................................................................................................................................................... 32
Injector .............................................................................................................................................................................. 32
Injector for epa and 97/68 ce engines
.............................................................................................................................. 33
Injector projection
............................................................................................................................................................. 33
Cylinder head .................................................................................................................................................................... 33
Valves ............................................................................................................................................................................... 34
Valve stem sealing rings - reassembly ............................................................................................................................ 34
Valve springs..................................................................................................................................................................... 34
Valve material ................................................................................................................................................................... 34
Valve guides and valve guide housings ............................................................................................................................ 35
Valve guide insertion ........................................................................................................................................................ 35
Dimensions and clearance between guides and valves .................................................................................................. 35
Valve seats and housings
................................................................................................................................................. 36
Valve seat grinding
........................................................................................................................................................... 36
Pushrod tube ..................................................................................................................................................................... 36
Cylinder ............................................................................................................................................................................. 36
Checks and cylinder roughness ....................................................................................................................................... 36
Piston
................................................................................................................................................................................ 37
Piston weight
..................................................................................................................................................................... 38
Piston rings - end gaps (mm) ............................................................................................................................................ 38
Pistons ringis - clearance between grooves (mm) ............................................................................................................ 38
Piston rings - tting sequence .......................................................................................................................................... 38
Piston - retting
................................................................................................................................................................. 39
Piston clearance
............................................................................................................................................................... 39
Connecting rod ................................................................................................................................................................. 39
Connecting rod small end bushing ................................................................................................................................... 40
Connecting rod alignment ................................................................................................................................................. 40
Connecting rod weight ...................................................................................................................................................... 40
Connecting rod big end bearing ....................................................................................................................................... 40
Crankshaft timing gear .......................................................................................................................................................41
Main bearing supports .......................................................................................................................................................41
Main bearing support, gear side ........................................................................................................................................41
Main bearing support, ywheei side ..................................................................................................................................41
Crankshaft ..........................................................................................................................................................................42
Center main bearing support, locating screw. ...................................................................................................................42
Crankshaft removal ............................................................................................................................................................42
Crankshaft center main bearing support ...........................................................................................................................42
Crankshaft lubrication ducts ..............................................................................................................................................42
Crankshaft journal radius .................................................................................................................................................. 43
Checking main journals and crank pins ............................................................................................................................ 43
Main journal and crank pin diameter ................................................................................................................................ 43
How to measure main bearing inside diameter ................................................................................................................ 43
Main bearing and connecting rod big end bearing inside diameter ................................................................................ 44
Clearance between main journals/crank pins and connecting rod bearings ................................................................... 44
Main bearíng supports - Dimensions ................................................................................................................................ 44
Main bearing housings ...................................................................................................................................................... 44
Crankshaft end play .......................................................................................................................................................... 45
Camshaft
........................................................................................................................................................................... 45
How to measure camshaft journals and housings
........................................................................................................... 45
Dimensions of camshaft journals and housings ............................................................................................................... 45
How to measure intake/exhaust cam height ..................................................................................................................... 46
Camshaft end play ............................................................................................................................................................ 46
Camshaft timing
................................................................................................................................................................ 46
Valve timing without considering timing marks
................................................................................................................. 46
Valve timing check .............................................................................................................................................................47
Valve timing - angles ..........................................................................................................................................................47
Hydraulic pump ..................................................................................................................................................................47
Hydraulic pump p.T.O
.........................................................................................................................................................47
Hydraulic pump components (1 p)
.................................................................................................................................... 48
Mechanical speed governor ............................................................................................................................................. 48
Mechanical speed governor components ........................................................................................................................ 48
Governor springs with rocker arm system ........................................................................................................................ 49
Governor springs with single-spring system
.................................................................................................................... 49
Electronic speed governor (Optional)
............................................................................................................................... 49
Speed governor wiring diagram ........................................................................................................................................ 50